Researchers concluded that higher levels of THC, the psychoactive chemical in marijuana that makes people feel high, are linked to significant chromosomal abnormalities in embryos.

Study links marijuana use to higher risk of infertility, miscarriages and genetic defects 

The Mayo Clinic defines insomnia as a common sleep disorder that can make it hard to fall asleep or stay asleep. It also can cause you to wake up too early and not be able to get back to sleep.

Study links insomnia and cognitive decline. Here's how you can improve your sleep

The recommended daily allowance of vitamin D for adults is 600 to 800 international units. A doctor can help determine if a person needs more, but too much vitamin D can be toxic.

The many health benefits of vitamin D explained

Most people need at least 11 cups of water a day that can come in the form of juices and vegetables. However, people with certain conditions, such as late-stage kidney disease might need to limit their water intake.

Are you drinking enough water? Here's why doctors say it's important to stay hydrated

A CT scan or MRI can detect back, neck, or joint pain. Treatment options vary based on diagnosis, including massage therapy, chiropractic care or dry needling.

Here are some ways to alleviate chronic pain before turning to surgery

Prostate cancer is one of the most common cancers in men. The American Cancer Society says 1 in 8 men in the U.S. will be diagnosed during their lifetime.